Casio G-Steel [GM-6900U-1DR]

Case size (L×W×H): 53.9 × 49.7 × 18.6 mm
Weight: 96 g
Case and bezel material: Resin / Stainless steel
Band: Resin Band
Construction: Shock Resistant
Water resistance: 200-meter water resistance

Power supply and battery life:

• Approx. battery life: 2 years on CR2016
  

Exterior:

• Glass: Mineral Glass

Watch Features:

• Stopwatch:
  • Measuring capacity:
    • 00'00''00~59'59''99 (for the first 60 minutes)
    • 1:00'00~23:59'59 (after 60 minutes)
  • Measuring unit:
    • 1/100 second (for the first 60 minutes)
    • 1 second (after 60 minutes)
  • Measuring modes: Elapsed time, split time, 1st-2nd place times
• Timer:
  • Countdown timer
  • Measuring unit: 1 second
  • Countdown range: 24 hours
  • Countdown start time setting range: 1 second to 24 hours (1-second, 1-minute, and 1-hour increments)
• Alarm:
  • Multi-function alarm
    
  • Hourly time signal

Light:

• • LED backlight (Super Illuminator) 
  • Afterglow
  • Light color: White

Calendar: Full auto-calendar (to year 2099)
Mute feature: Button operation tone on/off
Accuracy: ±15 seconds per month

Other features:

• 12/24-hour format
• Regular timekeeping:
  • Hour, minute, second, pm, month, date